2 nd Grade 1 st nine weeks Number Sense Place Value.

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2 nd Grade 1 st nine weeks Number Sense Place Value

Number Sense It is the understanding of what numbers are and how numbers relate to each other. Predict and extend repeating and growing patterns Model and describe sets Use boxes for missing numbers What would the fifth set of squares look like if the pattern continued? On Sunday there were three flowers, on Monday there were eight flowers, on Tuesday the there were 13 flowers. If this pattern continues show the number of flowers there would be for the rest of the week. Are these sets equivalent or not equivalent? How do you know? 13- = 7 = = 7+

Place Value Place thousandshundredstensones Value 1, Standard form 6429 Expanded form 6, Students need to be able to compare numbers using less than, and equal=. 4,089 4,207 Also, students need to understand the process of regrouping; I have 2 tens and 13 ones. What is my number? I have 12 tens. What is my number? I have 3 thousands, 17 tens, and 4 ones. What is my number?